31448426 has 8 divisors (see below), whose sum is σ = 47196480. Its totient is φ = 15716268.

The previous prime is 31448423. The next prime is 31448447. The reversal of 31448426 is 62484413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31448392 and 31448401.

It is not an unprimeable number, because it can be changed into a prime (31448423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5345 + ... + 9563.

It is an arithmetic number, because the mean of its divisors is an integer number (5899560).

Almost surely, 2^31448426 is an apocalyptic number.

31448426 is a deficient number, since it is larger than the sum of its proper divisors (15748054).

31448426 is a wasteful number, since it uses less digits than its factorization.

31448426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7948.

The product of its digits is 18432, while the sum is 32.

The square root of 31448426 is about 5607.8896208824. The cubic root of 31448426 is about 315.6455259794.

The spelling of 31448426 in words is "thirty-one million, four hundred forty-eight thousand, four hundred twenty-six".